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HV-29LPZ
SERVICE MANUAL
COLOUR TELEVISION
BASIC CHASSIS
HV-29LPZ
MF
HV-29LPZ/HK
HV-29LPZ/-A
/EE
HV-29LPZ
CONTENTS
! ･････ ･･･････････････････････････････････ ! ･････ ･･･
SPECIFICATIONS･････ ･･･････････････････････････････････ 2 SPECIFIC SERVICE INSTRUCTIONS･････ ･･･ 8
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SAFETY PRECAUTIONS ･････ ･･･････････････････････3 SERVICE ADJUSTMENTS･････ ･･･････････････････ 14
･････ ･･･････････････････････ ･････ ･･･････････････････
! MAIN DIFFERENCE LIST･････ ･･･････････････････････4 ! PARTS LIST･････
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HV-29LPZ SPECIFICATIONS Item Content Dimensions ( W× ×H× ×D ) 73.2cm×58.7cm× 51.8cm × × × × Mass 48.0kg TV RF System B/G, I, D/K, K1, M Colour System PAL / SECAM / NTSC 3.58 / NTSC 4.43 Stereo System A2 (B/G) / NICAM (B/G, I, D/K, K1) /HK Teletext System Fastext (UK system) * [ * Without TEXT mode : HV-29LPZ ] WST(world standard Texst) VL 46.25MHz ～ 168.25MHz Receiving 175.25MHz ～ 463.25MHz VH Frequency UHF 471.25MHz ～ 863.25MHz CATV ～ ～ ～ ～ Mid (X Z+2, S1 S10), Super (S11
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HV-29LPZ SAFETY PRECAUTIONS 1. The design of this product contains special hardware, many 9. Isolation Check circuits and components specially for safety purposes. For (Safety for Electrical Shock Hazard) continued protection, no changes should be made to the original After re-assembling the product, always perform an isolation design unless authorized in writing by the manufacturer. check on the exposed metal parts of the cabinet (antenna Replacement parts must be identical to those used in the
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HV-29LPZ MAIN DIFFERENCE LIST Model name /HK /-A /EE HV-29LPZ HV-29LPZ HV-29LPZ HV-29LPZ !! !! Part n ame MICOM PWB SMF0M901A-H2 SMF0M902A-H2 SMF0M903A-H2 SMF0M904A-H2 ! POWER CORD QMP40D0-200J5 QMPN050-200-E2 QMPR010-200-E2 QMP40D0-200J5 ! FRONT CABI.ASSY LC11193-008B-H LC11193-023A-H LC11193-008B-H ! REAR COVER LC10763-007B-HH LC10763-002D-H LC10763-007B-HH ! RATING LABEL LC20377-001B-H LC20377-012B-H LC20413-002B-H LC20377-009B-H ! INST BOOK LCT1215-001A-H LCT1217-001A-H LCT1215-001A-H LCT121
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HV-29LPZ SYSTEM BLOCK DIAGRAM MICOM PWB IC 001 IC 004 MICRO COMPUTER MEMORY SDA 0 SCL 0 SDA 2 SDA 1 SCL 2 SCL 1 MAIN PWB IC 301 IC 701 DEF & RGB BBE CONTROL PROCESSOR IC 101 TU0 01 MULTI SOUND TUNER PROCESSOR SYNC SEP PWB 100Hz PWB IC 101 IC 301 VIDEO PROCESS SYNC SEP PWB & CODEC MAIN IC 151 AV SW PWB VIDEO PROCESS & CODEC SUB IC 101 SW IC 201 SAMPLE RATE CONVERTER TU0 01 TUNER IC 301 ENHANCE No. 52012 5
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HV-29LPZ FUNCTIONS ■■ Front Terminal & Control ■■ 1 HEADPHONE jack 7 SENSOR (Remote Control & ECO) 2 (S-VIDEO / VIDEO / L/MONO / R) 8 VIDEO-4 terminal SPATIALIZER LAMP 3 MENU/OK Button 9 ECO LAMP 4 A CHANNEL -/+ (MENU UP/DOWN) Button POWER LAMP 5 (MENU LEFT/RIGHT) B (MAIN POWER on and off) VOLUME -/+ Button POWER SW Button 6 TV/VIDEO / EXIT Button (Input select) ■■ Rear Terminal ■■ 1VIDEO-1 (INPUT) terminal (S, V, L, R) 2 (INPUT (V, L, R) VIDEO-2 ) terminal 3 VIDEO- 3 (INPUT) terminal (V/Y
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HV-29LPZ ■■ Remote Control Unit ■■ 1 POWER Key (SUB POWER on and off) 2 BASS Key (SUPER BASS function on or off) 3 SPATIALIZER Key (Choose a mode LIVE→MONO→OFF) 4TV/VIDEO Key 5PICTURE MODE Key (Choose a mode BRIGHT→STANDARD→SOFT) 6 ZOOM Key → → (Choose a mode REGULAR ZOOM 16:9) 7CHANNEL Key 8 -/-- Key 9 RETURN + Key AMULTI Key B VOLUME +/- Key CCHANNEL +/- Key D MUTING Key E PIP MODE FPIP Key G POSITION Key HFREEZE Key View the MAIN pictures frozen image as the SUB-PICTURE. I SUB P (PIP)+&-
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HV-29LPZ SPECIFIC SERVICE INSTRUCTIONS DISASSEMBLY PROCEDURE REMOVING THE REAR COVER CHECKING THE PW BOARD 1. Unplug the power cord. To check the back side of the PW Board. 2. Remove the 16 screws marked !! as shown in the Fig. 1. 1) Pull out the chassis. (Refer to REMOVING THE CHASSIS). !! 3. Withdraw the rear cover toward you. 2) Erect the chassis vertically so that you can easily check the back side of the PW Board. REMOVING THE AV TERMINAL BOARD [CAUTION] " After removing the rear cover. "
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HV-29LPZ DOME SPEAKER BOX FRONT CABINET CRT SOCKET PWB C FRONT CONT RO L PWB (2/2) CONT RO L BASE MICOM POWER & DEF PWB PWB CLAW CHASSIS 100Hz PWB AV FRONT TERMINAL CONT RO L PWB (1/2) CONT RO L BASE BLK PWB MAIN PWB CLAW AV SW PWB C B (×5) DOME SPEAKER BOX POWER CORD REAR COVER A (×15) Fig. 1 No.52012 9
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HV-29LPZ REMOVING THE CRT ∗ Replacement of the CRT should be performed by 2 or more pers ons. CRT CHANGE TABLE • After removing the cover, chassis etc., 1. Putting the CRT change table on soft cloth, the CRT change table should also be covered with such soft cloth (shown in Fig.3). APPROX. 2. While keeping the surface of CRT down, mount the TV set on the 35cm CRT change table balanced will as shown in Fig.4. 3. Remove 4 screws marked by arrows with a box type screw driver CLOTH as shown in Fig.
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HV-29LPZ REPLACEMENT OF MEMORY ICs 1. Memory ICs This TV use memory ICs. In the memory ICs, there are memorized data for correctly operating the video and deflection circuits. When replacing memory ICs, be sure to use ICs written with the initial values of data. SERVICE MEN U 2. Procedure for replacing memory ICs 1. IF 2. V/C 3. AUDIO 4. DEF (1) Power off 5. VSM PRESET 6. STATUS Switch the power off and unplug the power cord from the wall outlet. 7. PIP 8. WB PRESET 9. SHIPPING(OFF) 0. BUS FREE
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HV-29LPZ SETTING VALUES OF SYSTEM CONSTANT SET (TABLE 1) MODEL No. /-A /HK /EE HV-29LPZ HV-29LPZ HV-29LPZ HV-29LPZ Setting item 1. TEXT YES YES NO YES 2. BLUE BACK MUTE NO YES NO ← 3. E. M. C NO ←← ← 4. WHITE BACK NO ←← ← 5. COLOUR AUTO NO YES NO ← 6. PICTURE TI LT YE S ←← ← SERVICE MENU SETTING ITEMS (TABLE 2) Setting item Setting value Setting item Setting value 1. IF 1. VCO 5. VSM PRESET 1. CONT. 2. ATT ON / OFF 2. BRIGHT BRIGHT 3. SHARP STANDARD 4. COLOUR SOFT 5. TINT 2. V / C 1. RGB BLK 2
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HV-29LPZ USER SETTING VALUES (TABLE 3) Setting item Setting value Setting item Setting value MAIN POWER SW OFF SUB POWER ON SHIPPING CHANNEL PR1 DISPLAY INDICATED See ; OPERATING PRESET CHANNEL VOLUME LEVEL 10 INSTRUCTIONS. PICTURE SETTING INSTALL PICTURE MODE BRIGHT LANGUAGE ENGLISH WHITE MODE MID EDIT " PRESET CHANNEL ONLY " OTHER : NON (SPACE) ECO MODE OFF PICTURE FEATURES FEATURES DIGITAL VNR AUTO SLEEP TIMER OFF DIGIPURE PRO AUTO BLUE BACK ON COLOUR SYSTEM " TV : Depends on PR/CH AUT
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HV-29LPZ SERVICE ADJUSTMENTS BEFORE STARTING SERVICE ADJUSTMENT 1. There are 2 ways of adjusting this TV: One is with the 7. Preparation for adjustment (presetting): REMOTE CONTROL UNIT and the other is the conventional Unless otherwise specified in the adjustment items, preset the method using adjustment parts and components. following functions with the REMOTE CONTROL UNIT: 2. The setting (adjustment) using the REMOTE CONTROL " Setting position UNIT is made on the basis of the initial setting
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HV-29LPZ ADJUSTMENT LOCATIONS FRONT CONTROL PWB (1/2) FRONT CONTROL PWB (2/2) TV/VID EO EXT VO L UP VO L DO WN S IN R4 L4 V4 POWER SW PO WER SPET IA LI ZE R CD S ECO FRONT MENU/ FRONT IN (VIDEO -4 ) HEA D O K PHO NE CH DO WN CH UP F901 J W J F C9 0 1 PW CN 00 2 LF 90 1 Pow er co rd To AV SW P WB MAIN PWB POWER&DEF PWB CN111 FRONT FRONT CN 00 2 W DEG R3 Spe ak er MICOM P WB CN 00 4 CN 00 7 CN 00 5 AV SW PWB 100Hz PWB TUNER 2 HV SYNC CN 00 6 PWB BLK P WB CN 00 3 X HVT 1 5 C1 CN 014 1pin:B1(TP-91)
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HV-29LPZ BASIC OPERATION SERVICE MENU 1. TOOL OF SERVICE MENU OPERATION Operate the SERVICE MENU with the REMOTE CONTROL UNIT. 2. SERVICE MENU ITEMS With the SERVICE MENU, various settings (adjustments) can be made, and they are broadly classified in the following items of settings (adjus tments ): (1) 1. IF･･････････････････････････････ This mode adjusts the setting values of the IF circuit. (2) 2.V/C･････････････････････････････ This mode adjusts the setting values of the VIDEO / CHROMA c
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HV-29LPZ 3. BASIC OPERATION OF SERVICE MENU (1) Ho w to enter SERVICE MENU Press the PICTURE MODE key and the DISPLAY key of the SERVICE MENU REMOTE CONTROL UNIT simultaneously, and the SERVICE MENU screen of Fig. 1 will be displayed. SERVICE MEN U 1. IF 2. V/C 3. AUDIO 4. DEF 5. VSM PRESET 6. STATUS 7. PIP 8. WB PRESET (2) Selection of SUB MENU SCREEN 9. SHIPPING(OFF) 0. BUS FREE ～ Press one of keys 1 0 of the REMOTE CONTROL UNIT and select the SERVICE MENU SCREEN (See Fig. 3), form the 1-0
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HV-29LPZ SERVICE MENU SCREEN SERVICE MENU SERVICE MENU 1. I F 2. V /C 3. A UDI O 4. DE F 5. VSM PR ESET 6. STAT US 7. PIP 8. W B PRESET 9. SHI PPI NG(OF F) 0. BUS F REE 1-0 : SELECT DISP : EXIT SUB MENU 1. IF (CW) 5. VSM PRESET VCO (CW) MHz *** ***.* .*** *** ***..** ** VSM PRESET STD IF SERVICE MENU MAIN SUB 1. V CO BRIGHT TOO HIG H 1.CONT *** 2. A TT O N / OF F STANDARD ABO VE REF SOFT JUST REF BEL OW RE F TOO LOW 1. CONT. 1-2 : SELECT
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HV-29LPZ (3) Method of Setting " Method of Setting 1.IF [VCO] ･･･････････････････････････* It must not adjust without signal ① 1 Key･････････････････････････ Select 1.IF. ② 1 Key ････････････････････････ Select 1. VCO (CW) Check the arrow position between the ABOVE REF. and BELOW REF. ③ ･････････････････････････ 2 Key Select 2.ATT ON/OFF (Strong Electric Field : ON / Generally Electric Field : OFF) ④ ････････････ DISPLAY(DISP) Key Return to the SERVICE MENU screen. " Method of setting 2.V/C, 4.
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HV-29LPZ ADJUSTMENT CHECKING ITEM Measuring Item Test point Ad justment part Description instrument Check of B1 Signal TP-91(B1) 1. RGB BLK 1. Receive any broadcast. Power Supply Generator TP-E(##) 2. Press the ZOOM key and select the FULL mode. ## [X connector 3. Select 2. V/C from the SERVICE MENU. DC voltmeter on POWER 4. Select 1. RGB BLK with function UP / DOWN key. DEF PWB] 5. Press the function ( ) key to find the cut off screen (Black Remote screen). # Control unit 6. Connect a DC volt
